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Termination of Diapause in the Douglas-Fir Beetle, Dendroctonus pseudotsugae Hopkins (Coleoptera: Scolytidae), as an Aid to Continuous Laboratory Rearing1

Published online by Cambridge University Press:  31 May 2012

Roger B. Ryan
Roger B. Ryan
Affiliation:
Oregon State College, Corvallis, Oregon
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Extract

The Douglas-fir beetle, Dendroctonus pseudotsugae Hopk., is a constant threat to Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) forests because of its ability to kill large quantities of this important timber tree. In the search for more effective control of this pest the need for experimental insects frequently exceeds the supply from natural sources. Laboratory rearing can alleviate this shortage.

Type
Articles
Information
The Canadian Entomologist , Volume 91 , Issue 8 , August 1959 , pp. 520 - 525
Copyright
Copyright © Entomological Society of Canada 1959

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References

Lees, A. D. 1955. The physiology of diapause in arthropods. London, Cambridge University Press. 150 p.Google Scholar
Li, Jerome C. R. 1957. Introduction to statistical inference. Ann Arbor, Edwards Bros. 553 p.CrossRefGoogle Scholar
Rudinsky, J. A., and Vité, J. P.. 1956. Effects of temperature upon the activity and the behavior of the Douglas fir beetle. For. Sci. 2: 258–267.Google Scholar
Vité, J. P., and Rudinsky, J. A.. 1957. Contribution toward a study of Douglas fir beetle development. For. Sci. 3: 156–167.Google Scholar